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논문

저지대 농경지의 홍수범람 분석

Analyzing the Flood Inundation in Low Agricultural Area

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참고문헌

주제분류농학

초록

Abstract

This study analyzes the flood inundation in low agricultural area caused by rainfall during typhoon periods and how flood inundation areas should be affected. GIS techniques, HEC-HMS and HEC-GeoHMS were used for flood runoff, HEC-RAS was applied in water surface elevation analysis at each cross-section. RMA2, SED2D were applied for runoff characteristics of inundation areas and river bed change and distribution of sediment. As a result, velocity distribution was analyzed 2.6 m/s-3.4 m/s in flood inundation by water level increase. In the case of bed elevation change, most sediments were deposited to the parts that adjoin bank.

참고문헌 (12)

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  4. "Flood inundation analysis based on HEC-Geo RAS & HEC-RAS(in Korean)", pp.737~741 (2004)
  5. "Two- dimensional model for floodplain flow simu-lation(in Korean)", pp.986~991 (2000)
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  9. "Visual Floodplain Modeling with Geographic Information Systems" (2000), Center for Research in water Resources
  10. "The flood effect analysis due to housing and development by low land reclamation in urban watershed(in Korean)", 17(2-Ⅱ), pp.137~146 (1997)
  11. "Flood influence analysis on Suyoung river based on HEC-HMS", HEC-RAS(in Korean), 2000, 281~287
  12. "Floodplain Mapping Using HEC-RAS and ArcView GIS" (1999), Center for Research in Water Resources

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